ImageMagick 7.0.7-0 Q16 coders/pdf.c PDFDelegateMessage null pointer dereference

Summaryinfo

A vulnerability identified as problematic has been detected in ImageMagick 7.0.7-0 Q16. This impacts the function PDFDelegateMessage of the file coders/pdf.c. The manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2017-15015. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in ImageMagick 7.0.7-0 Q16 (Image Processing Software) and classified as problematic. This issue affects the function PDFDelegateMessage of the file coders/pdf.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

ImageMagick 7.0.7-0 Q16 has a NULL pointer dereference vulnerability in PDFDelegateMessage in coders/pdf.c.

The bug was discovered 10/03/2017. The weakness was released 10/05/2017 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2017-15015 since 10/03/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110516 (Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : imagemagick vulnerabilities (USN-3681-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176900 (Debian Security Update for imagemagick (DLA 1785-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 9 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (110516). Entries connected to this vulnerability are available at VDB-106943, VDB-106944, VDB-106945 and VDB-107000. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Image Processing Software

Name

• ImageMagick

Version

• 7.0.7-0 Q16

License

• open-source

Website

• Product: https://www.imagemagick.org/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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